Subs Flashcards
1
Q
- What chapter is propulsion bearings?
A
18
2
Q
- What are the 4 classes of stave bearings?
A
Metallic less than 6” dial shaft
Metallic greater than 6” dial shaft
NonMetallic less than 6” dial shaft
Non Metallic greater than 6” dial shaft
3
Q
- What type of staves does the 774 have?
A
Partial Arc
4
Q
- How many staves does the Ohio class sub have? 688?
A
Ohio- 26 688-24
5
Q
- Range gap for the feeler gauge measurements?
A
.1-.5
6
Q
- Access to Staves?
A
Deadlight holes, cover plates under the struts, mud tank, rope guard on sub
7
Q
- How long are staves?
A
Come in 6 feet measurements
8
Q
- How long are stave shells?
A
8-14’
9
Q
- What are staves made of?
A
Rubber
10
Q
- Where can you find staves on a sub?
A
Mud Tank
11
Q
- Where do you measure staves?
A
Between the stave and stern tube, 12, 6, 9, 3 o’clock positions
12
Q
- Purpose of the staves?
A
Hydrodynamics, cooling, holding the weight of the shaft when idle
13
Q
- How do you clean?
A
Hydrolance in between the staves for 1 foot per min 3x
14
Q
- What do you do to a stave before install?
A
Freeze them, lube them with dawn dish detergent
15
Q
- Where can you find ICCP on 774?
A
MIP, Rope guard, MBT
16
Q
- Does 688 have ICCP?
A
No, just sacrificial
17
Q
- Flights of a 688 sub?
A
688 1,2,688I 3,4
18
Q
- What is each flight called?
A
LA CLASS 688
VA class 774
Ohio Class
19
Q
- What is the difference between 688 flights?
A
VLS, Sailplanes on 688i
20
Q
- CSA pods bolts, how many?
A
11 On each side, 22
21
Q
- Bolt rule for CSA pods?
A
Bolts can’t be missing from ends, 2 can’t be missing next to each other. Only 3 bolts are allowed to be missing on a side. 4 missing all together
22
Q
- Lifting fixture called for CSA pods?
A
Calm water lifting fixture
23
Q
- What does ECL stand for?
A
External Counter Launcher
24
Q
- What is the process for taking out an ECL?
A
-Take off cover plate
-Rig lifting points to cover plate
-crane cover plate up or use lifting bag
-install BEG
-Disconnect cables
-Remove lip blocks
-install lifting points to ECL pods
-Connect wire cables. 4 all together
-lift ECL PODS through BEG to topside
25
153. What does BEG stand for? What is it?
Breaching External guide, guides ECL pods to topside
26
154. What MBT are cables connected to for CSA?
MBT4
27
155. Where are CSA pods located?
End of the diheadrials
28
156. What Jobs are in the Mud Tank?
Stern tube c/d, aft OTAA, anchor light inspection light, stave bearing inspection
29
157. Jobs in MBT4B?
Anchor, NMH, Cable runs
30
158. Jobs in MBT4A?
SPU/SPM, NMH, Cable Runs
31
159. Jobs in MBT5A?
TLTA-688
32
160. Jobs in MBT5B?
TLTA-774
33
161. Parts of TLTA?
Stowage Drum, Capstone, OSA sensors, Array, Stowage drum arm, guide tube
34
162. 2 Types of Sensors in OSA?
2 Acoustic. electromagnetic
35
163. How do you clean Bellmouth?
Inside not outside
36
164. Where is TDU located?
Under the Sail
37
165. How would you attach a cofferdam to tdu?
Belly band
38
166. Materials needed to drop 688 BTG?
Hammer, flathead, 15/16 wrench and socket
39
167. Materials to put up 688 BTG?
Crow bar, flathead, 15/16 wrench and socket
40
168. Materials needed to drop 774 BTG?
Allen 9/16, 3/4
41
169. Materials needed to put up 774 BTG?
Trash Can
42
170. Where is aft Bottom sounder?
Just forward of MBT4A
43
171. How would you take out a bottom sounder?
Drop Cover plate, with all threads
- Tie a line to sounder
- Take sounder out
- Allow diver on the turtle back to bring it up
44
172. Jobs in MBT3A?
NMH, EHF
45
173. Jobs in MBT3B?
NMH, EHF, Last grate pinger
46
174. Jobs in MBT2A?
VLS Mag switches, OtAA NMH
47
175. Jobs in MBT2B?
Vls mag switches, OTAA, forward bottom sounder
48
176. When tagging out MSW and ASW what condition are they put in?
MSW- SUPER SLOW ASW- SLOW
49
177. Access to Sonar Dome?
BATHTUB inside the sub
50
178. Explain Rod Meter Change out sub?
-take out 2 bolts 3/8
-topside slacks cable and ties a line to cable
-swim rodmeter to topside
51
180. What do you have to replace on retractable rod meters often?
7 layer chevron packing on the cutlass bearing, and above the retractable valve opening
52
181. What type of covering is on a 688?
SHT Special hull treatment
53
182. What type of covering is on a 774?
MIP Mold in Place
54
183. BTF components?
Retaining ring 3/8 bolts, spider backing plate, hockey puck, spider backing plate
55
184. What is the most important thing to remember when putting a btf back together?
The retaining ring
56
185. What size bolts are on btf?
3/8”
57
186. What side do you hammer when removing a BTF?
Towards the people tank
58
187. What is a EHF/ EHP
Electronic hull fitting/ penetration
59
188. What type of fitting is always on EHF/EHP?
Male fitting
60
189. What covers the EHF?
Cheese grate
61
190. What is the zip tie requirement when doing a cable run?
Every 6 inches double zip tie with channel rubber
62
191. What types of sound do NHF pick up?
Metallic/nonmetallic
63
192. First thing to check when doing a NHF job?
Ballast tank grate
64
193. Where is the Fat line Towed Array located?
Thumbnail
65
194. Where is the last grate pinger located?
MBT3B
66
195. Where is the Forward Bottom Sounder Located?
MBT2B
67
196. Explain the Forward bottom sounder job?
-INSIDE MBT2B is a trough the bottom sound sits in
-unbolt it and tie a line to it hand it to topside
-pick it up and feed it outside MBT with slack
68
197. What does OTAA stand for?
Out board Transducer Array Assembly
69
199. What bolt size is the cover plate?
5/8”
70
200. What are the 3 cables called?
Fiber Optic, Steady stay, pulse power
71
201. What is special about Fiber Optic cable?
Shiny black and can’t bend past 90 degrees
72
202. What needs to be disconnected in a FWD OTAA job?
Cooling Lines
73
203. Where are the aft OTAA located?
Ends of Stern Planes
74
204. What chapter is SPU/SPM
8
75
205. How does the SPU come out? What SUB?
Rolls out 774
76
206. How does the SPM come out? What Sub?
Drops out 688
77
207. How many blades does SPU have?
3
78
208. How many measure points are on the SPU? WHERE?
8, 3 on each side 1 on each end
79
209. How many cables are there?
3 power cables
80
210. 2 types of SPM? Describe them?
Wet wound and dry canned
81
211. What type of cofferdam is used?
Dry chamber cofferdam open bottom
82
212. What are the measurements for dropping and removing an SPU?
10 FT from bottom from extended spu
83
213. Where are the VLS switches located?
MBT2
84
214. What do VLS switches do?
Open the doors for the Torpedoes
85
215. 3 types of doors for TT
Breacher, muzzle, shutter
86
216. Where are the TT located?
1 AND 3 starboard 2 and 4 port
87
217. What will you see looking into MBT2?
MISSILE TUBES
88
218. Where is the High and Low Freq. WRL-9 on sub? Which one is bigger?
High between aft of MBT3A/b, Low Freq forward between 2MBTA/B
89
219. What discharges on a sub do the nuclear waste come out of?
c-35/ c-4
90
220. Radcon Boundaries on a sub?
sail to the ensign
91
222. What are the radcon requirements on diving on a nuclear vessel?
NO diving0-15min
15min-24 hr. 10 min max with epd and tld
92
244. Flight numbers?
688-750 LA
750-773 LA(i)
774 VA (3 blocks)
Ohio 730-743
SEA Wolf 21-23
93
245. What type of missiles does a SSGN have?
Nuclear cruise missles
94
246. What type of missiles does a SSBN have?
Nuclear ballistic missiles
95
247. How far do you jack shaft in stave bearing inspection on sub? Where?
1/16”, jack is placed just aft of the rudder post.
96
258. Who are the 2 people you need sig from on sub?
EDO and SDO
97
